Solar Fuse - Class J Size

What is a class J size solar fuse? A class J size solar fuse is a blade style solar fuse offered in a UL Class J case size. Class J size solar fuses are fast acting and are rated at 600 volts AC and up to 1,000 volts DC. The interrupting rating is up to 200,000 amps AC and up to 20,000 amps DC. Class J size solar fuses have amperage ratings that range from 70 to 450 amps. These fuses are UL 2579 Listed.

Littelfuse and Mersen offer Class J size solar fuses.